I have not been able to figure out how to get ALSA working over hdmi, so I use OSS instead. However, I have to go into Linhes Config/Audio settings every time I boot and then press test audio (I get "Front, Center" spoken in a female voice) otherwise I have no audio.

From memory, you can install alsa from utility --> LinHes Configuration. Can't recall the sub-sub-menus though (probably sound), but you can choose alsa from there and I believe it will run the appropriate commands to install it for you.

I think ALSA may be beyond me and I might be better off finding a way of getting OSS to work after reboot (without a sound test).

Try turning on ALSA from the service menu

Service Menu -> LinHES Configuration -> Audio Settings

This may install ALSA for you. (Like Mike suggests) I have had ALSA available on both my LinHES machines. After you let MythVantage configure ALSA you can then try and change the audio settings over to "Tinker". I never tried to get OSS to run. It may be that configuring a system for OSS will uninstall ALSA. I don't really know.

I do have HDMI working with LinHES and I can break down the commands for you if you get ALSA installed

Following your instructions, step-by-step I now have ALSA working over hdmi for everything except TV.

Have you told mythtv frontend to use alsa? Settings -> General (I think)

Mike

Yes, I had the frontend set to ALSA:default - but your question got me thinking.

So I just tried ALSA:hdmi which resulted in the fast squeaky sound I recognised as an AC3 passthrough problem. So once I de-selected ac3 and dts passthrough, my settings were just ALSA:hdmi, default passthrough and passive upmix. Voila! Sound with DTV.

I followed all your steps and sound works over HDMI for all my videos, but doesn't work at all in mythmusic... I imagine that it is because that is using the internal player but I have no idea how to get work with this?
Thanks in advance for any help.
Cheers

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